1. Rate of torque development scaling factor decreased following a 6-week unilateral isometric training using electrostimulation or voluntary contractionsOlivera Knežević Milović, Nejc Šarabon, Amador García Ramos, Nikola Majstorović, Sladjan D. Milanović, Saša R. Filipović, Dragan Mirkov, 2024, izvirni znanstveni članek Opis: This study explored the changes in the rate of torque development scaling factor (RTD-SF) and maximum voluntary isometric contraction (MVC) variables following six weeks of unilateral isometric electromyostimulation (EMS) and voluntary (VOL) exercises. Twenty-six physically active participants were randomly assigned to EMS (n = 13) or a VOL group. MVC and RTD-SF of the quadriceps femoris of both legs were assessed before and after training. EMS and VOL exercises had identical frequency (three sessions/week), intensity (60% MVC), volume (40 contractions), and work-to-rest ratio (18 min: 6.25 s of work/20 s of rest). There were no between-group differences for the trained leg with overall increases in maximal torque (Tmax) of ~29% (d = 2.11–2.12), ~13% for RTDmax (d = 0.92–1.10); ~23% for Intercept (d = 0.72–0.78), and reduction in RTD-SF by ~15% (d = 1.01–1.10). In the non-trained leg, significant moderate change was only observed after EMS for RTD-SF which decreased by 12.5% (d = 0.76)
Ključne besede: quadriceps, strength, RTD-SF, RFD-SF, EMS
Objavljeno v RUP: 14.01.2026; Ogledov: 52; Prenosov: 0
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2. Vibration perception threshold as a method for detecting diabetic peripheral neuropathy : a systematic review of measurement characteristicsDanijela Ribič, Nejc Šarabon, 2026, izvirni znanstveni članek Opis: Background: Diabetic peripheral neuropathy (DPN) is one of the most common complications of diabetes mellitus (DM), leading to sensory loss, balance disturbances, and an increased risk of ulcers and amputations. Early screening is crucial, and devices for measuring vibration perception threshold (VPT) play an important role in the timely detection and management of this condition. Objective: The aim of this systematic review was to evaluate the diagnostic accuracy and reliability of VPT measurement devices in individuals with DM. Methods: A systematic search was conducted in four databases, including studies that assessed the diagnostic accuracy and reliability of VPT measurement devices in patients with type 1 or type 2 DM, with VPT compared against reference standards for DPN, including nerve conduction studies (NCS) and clinical diagnosis. Cross-sectional and case–control studies were included. Risk of bias was assessed using the Quality Appraisal of Reliability (QAREL) tool and the JBI Critical Appraisal Checklist for Diagnostic Test Accuracy Studies. Results: Eighteen studies were analyzed. Most studies demonstrated moderate sensitivity and specificity and an acceptable level of reliability, with results varying according to technical and methodological factors. Conclusions: VPT measurement devices appear to be useful screening tools for detecting DPN; however, their diagnostic accuracy and reliability are not uniform and largely depend on technical and methodological factors. Standardized threshold values and measurement procedures, along with further research comparing the effectiveness of different protocols, are needed to improve clinical utility.
Ključne besede: vibration perception threshold, diabetic peripheral neuropathy, screening test, quantitative sensory testing, diagnostic validity
Objavljeno v RUP: 14.01.2026; Ogledov: 67; Prenosov: 0
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3. Effects of different lifting strategies during resistance training on lower body function in untrained adult women : a comparison between 6-weeks of 10% velocity loss and standard resistance trainingMatic Sašek, Hana Golob, Nejc Šarabon, 2026, izvirni znanstveni članek Opis: Introduction: This study investigated whether velocity-based resistance training provides additional benefits to lower limb performance compared to standard exercise execution. Methods: Twenty untrained adult women (37–55 years) were randomly assigned to two resistance training groups to perform resistance training with three sets of four lower body exercises per week for 6 weeks. The number of repetitions and lifting velocity differed between the groups. One group performed lower body exercises with maximal intent and a 10% velocity loss threshold termination (VB10%; n = 10), while the other group performed 10 repetitions at a standard 1:2 s concentric:eccentric tempo (STD; n = 10). The number of repetitions was recorded during the sessions. Before and after the intervention, power, muscular endurance and dynamic stability of the lower limbs were assessed using the mean propulsive velocity (MPV) and power (MPP) at 70% one-repetition maximum in the squat and deadlift, the Y-balance test (YBT) and the 30-second sit-to-stand test (STS), respectively. A two-way analysis of variance was used to assess the effects of time, group, and their interaction. Results: The difference between 10 repetitions in the STD and repetitions in the VB10% was assessed using a one-sample t-test. Both groups significantly improved MPP, MPV, YBT and STS [mean difference (MD) ≥5.4%; effect size (ES) ≥0.6]. Although 2.5–2.7 less repetitions were performed in VB10%, the improvements in MPP and MPV were slightly greater (ES ≥ 1.2 vs. ≥ 0.8). Conversely, STS and YBT improved more in STD (ES ≥ 0.4 vs. ≥ 1.0). Discussion: Regardless of the lifting method used, the training intervention improved lower limb power, muscular endurance and dynamic stability, indicating that resistance training is an effective strategy for enhancing these capacities in untrained adult women. Using 10% threshold may be a more time-efficient strategy for improving lower-limb power in this population and could represent a promising approach for mitigating early declines in power over time.
Ključne besede: adult women, dynapenia, muscle performance, power, powerpenia, resistance training, strength, velocity loss
Objavljeno v RUP: 14.01.2026; Ogledov: 64; Prenosov: 1
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4. Enhanced paper grip test for foot strength assessment in healthy young adults : test–retest reliability and comparison with handgripNenad Nedović, Stevan Jovanović, Danilo Vujičić, Vladimir Gapić, Žiga Kozinc, 2026, izvirni znanstveni članek Ključne besede: strength, power, thumb, measurements
Objavljeno v RUP: 11.01.2026; Ogledov: 90; Prenosov: 0
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5. Targeting pediatric obesity through gender-specific nutritional strategies : insights from dietary intake and food sourcesTadeja Jakus, Breda Prunk Franetič, Tamara Poklar Vatovec, 2025, izvirni znanstveni članek Opis: Background/Objectives: Childhood obesity remains a major global health challenge influenced by poor dietary patterns and excessive energy intake. Understanding gender-specific nutritional deviations may improve the effectiveness of preventive and therapeutic interventions. This study aimed to evaluate differences in energy and nutrient intake between boys and girls with overweight or obesity status and to identify the main food sources contributing to these differences. Methods: Data from a total of 180 participants (83 boys, 97 girls; 7–18 years) attending the national obesity intervention program Camp My Challenge was analyzed. Anthropometric parameters and dietary intake were assessed using a validated food-frequency questionnaire (OPKP). Intakes were compared with Slovenian dietary reference values (DRVs). Group differences were tested using ANOVA, t-tests, and Pearson correlations (p < 0.05). Results: Boys exhibited higher body mass (79.9 ± 22.6 kg vs. 69.2 ± 19.1 kg; p = 0.001) and BMI (30.8 ± 4.8 kg/m2 vs. 28.5 ± 4.4 kg/m2; p = 0.001). Mean energy intake was 2543 ± 1138 kcal/day, exceeding DRV by 16% (t = 3.31, p < 0.001). Girls exceeded energy requirements by 24.5% vs. 5.4% in boys (p = 0.019). Boys consumed significantly more total fat (106 ± 61 g vs. 85 ± 47 g; p = 0.014), saturated fatty acids (34 ± 20 g vs. 27 ± 13 g; p = 0.011), protein (119 ± 63 g vs. 98 ± 41 g; p = 0.008), and sodium (3628 ± 2086 mg vs. 2852 ± 1520 mg; p = 0.005). Girls showed higher sugar intake (208% vs. 166% of DRV; p = 0.032), mainly from sweet foods (24%) and fruit (26%), whereas beverages—predominantly isotonic drinks—accounted for 27% of boys’ sugar intake. Sugar intake correlated with waist circumference (r = 0.305, p = 0.002) and fat mass (r = 0.272, p = 0.007) in girls. Sodium intake exceeded DRV sixfold in both sexes. Conclusions: Marked sex-specific dietary disparities exist among children with obesity. Interventions should target high sugar and energy intake in girls and excessive fat, sodium, and sugar-sweetened beverage consumption in boys to enhance the efficacy of pediatric obesity management.
Ključne besede: childhood obesity, nutrition, dietary, sex-specific
Objavljeno v RUP: 10.01.2026; Ogledov: 95; Prenosov: 0
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6. Evaluating motor deficits in multiple sclerosis using jump and hop tests : a review of current evidenceEva Žura, Adis Burzić, Erik Paulin, Žiga Kozinc, 2025, pregledni znanstveni članek Opis: Multiple sclerosis (MS) is a chronic neurological disease that often leads to subtle motor impairments even in early stages. Traditional clinical assessments may fail to detect these early deficits. Jump and hop tasks, requiring complex neuromuscular coordination, have emerged as promising functional assessments in neurological populations. This review aims to synthesize current evidence on the use of jump- and hop-based assessments to evaluate motor performance in people with MS (pwMS). A systematic search of PubMed and Scopus was conducted in April 2025. Studies were included if they involved pwMS, used jump or hop tasks, and reported performance, kinetic, or kinematic outcomes. Nine studies met inclusion criteria. Countermovement jumps (CMJ) were most frequently used and consistently detected motor deficits in pwMS, including reduced flight time, jump height, and power output. Single-leg CMJ tests identified asymmetries correlated with disability scores. Bipedal hops revealed impaired coordination and anticipatory control. One study assessed motor fatigability through repetitive jumping, while another evaluated the patient experience of sensor-based jump testing. Jump and hop assessments provide potentially sensitive, non-invasive tools for detecting early motor impairments in MS. They offer potential for improving clinical monitoring and guiding individualized rehabilitation strategies.
Ključne besede: multiple sclerosis, balance, jumps
Objavljeno v RUP: 07.01.2026; Ogledov: 107; Prenosov: 1
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7. The impact of hormonal contraceptives on skeletal muscle hypertrophyNevena Markov, Matevž Arčon, 2025, izvirni znanstveni članek Opis: Female reproductive hormones such as progesterone and estrogen play an important role in the body as they orchestrate functions of numerous cells including skeletal muscle cells. Onset of menses marks the beginning of reproductive life, whereas menopause marks its cessation. We distinguish three phases of the 28-day menstrual cycle namely follicular, ovulatory and luteal phases. The follicular phase is characterised by marked increases in estrogen, which triggers ovulation. During this phase, estrogen peaks, whereas progesterone levels are low. Following ovulation, the luteal phase commences marked by high progesterone levels and reduced estrogen. Indeed, these periodic fluctuations in reproductive hormones may affect rates of muscle protein synthesis and hence hinder sought adaptations such as skeletal muscle hypertrophy in female athletes. With the introduction of hormonal contraceptives, female athletes were able to have ameliorate the negative effects of the menstrual cycle by reducing menstrual cramping and bleeding. Hormonal contraceptives are constituted of a single or multiple synthetic hormones namely estrogen and progestin. Nevertheless, the impact of hormonal contraceptives on skeletal muscle hypertrophy remains elusive. In this review, we aim to present the potential implications of hormonal contraceptives on skeletal muscle hypertrophy.
Ključne besede: hormonal contraceptives, estrogen, progesterone, muscle hypertrophy, menstrual cycle, resistance training
Objavljeno v RUP: 07.01.2026; Ogledov: 127; Prenosov: 13
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8. Within-session reliability and comparison in resisted sprint performance with the 1080 Sprint between belt and harness attachment pointsMatic Sašek, Nicola Reiner Volk, Nejc Šarabon, 2025, izvirni znanstveni članek Opis: The application of resistance over the shoulder or hips during resisted sprints could influence performance outcomes but has not been thoroughly investigated. This study examined the within-session reliability of sprint performance measures and compared the outcomes of 1080 Sprint device between belt (hips) and harness (shoulders) attachment. Twelve student-athletes completed three 20 m sprints with resistance equivalent to 25% of body mass (14.0 to 24.7 kg). Sprint split times (5 m, 10 m, 15 m, 20 m), peak velocity, and distance at peak velocity were recorded with 1080 Sprint. Within-session reliability was assessed using intraclass correlation coefficients (ICC3.1) and coefficients of variation (CV), while differences in performance were analysed using paired t-tests and effect sizes (ES). Reliability was excellent for all variables (ICC3.1≥ 0.93; CV ≤ 3.08 %) except distance at peak velocity, which showed poor reliability (ICC3.1≥ 0.32; CV ≥ 17.2 %). Sprint times and peak velocity were faster with the belt attachment (ES ≥ 0.93), while peak velocity was reached earlier with the harness attachment (ES = 0.65). Both attachment points provided reliable measurements, but the belt consistently resulted in faster 20 m sprint performance. Coaches and practitioners should consider these differences when assessing resisted sprint performance or prescribing training to ensure consistent and individualized loading strategies
Ključne besede: resisted sprint, resistance, sprint performance, speed assessment
Objavljeno v RUP: 30.12.2025; Ogledov: 204; Prenosov: 0
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9. Kompetence prihodnosti v športni industrijiKlemen Širok, Elizabeta Zirnstein, Ajda Fošner, Suzana Sedmak, Barbara Švagan, Ana Grdović Gnip, Igor Stubelj, Suzana Laporšek, 2025, pregledni znanstveni članek Opis: Šport kot gospodarska panoga doživlja hitro preobrazbo, ki jo poganjajo digitalizacija, avtomatizacija in širjenje umetne inteligence. Ti premiki preoblikujejo zahteve na trgu dela in odpirajo vprašanja o ustreznosti veljavnih kompetenčnih mo-delov. Članek uporablja metodologijo predvidevanja potreb po znanju in veščinah (angl. skills anticipation) ter jo prilaga-ja posebnostim športne industrije. Analiza temelji na pregle-du sive literature, kot so poročila o strateškem predvideva-nju in svetovalna poročila, ter izsledke primerja z evropskim ogrodjem znanja, veščin, kompetenc in poklicev (ESCO) ter nedavnim sistematičnim pregledom kompetenc na področju športnega menedžmenta. Rezultati kažejo na dopolnjevanje tradicionalnih kompetenc, kot so vodenje, komunikacija, prila-godljivost in etična zavezanost, z novimi zahtevami po digital-nih, podatkovnih in povezanih kompetencah. Hkrati pa se ka-žejo pomembne vrzeli: kibernetska varnost, digitalna varnost in napredne digitalne veščine (npr. imerzivne tehnologije, upravljanje umetne inteligence). Ugotavljamo, da morajo izo-braževalni programi in usposabljanja v športu združevati teh-nične in k človeku usmerjene kompetence. Prilagodljive oblike izobraževanja in usposabljanja, kot so mikrodokazila, pa naj se dodatno osredotočijo na potrebne specialne veščine in kom-petence, ki so bila prepoznane kot nezadostno zastopane.
Ključne besede: veščine, kompetence, prihodnost, napovedovanje kompetence, tehnološke spremembe, športna panoga
Objavljeno v RUP: 29.12.2025; Ogledov: 167; Prenosov: 0
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10. Optimizacija oskrbe pacientov v onkološki zdravstveni negi na podlagi McGillovega sodelovalnega modelaValentina Masten, Tamara Milić, Matic Petrovič, Mirko Prosen, Sabina Ličen, 2025, izvirni znanstveni članek Opis: Izhodišča: McGillov model zdravstvene nege je celostni, sodelovalni pristop, ki poudarja aktivno vlogo pacienta, vključevanje bližnjih in krepitev psihosocialne podpore. Kljub uveljavljenosti v mednarodnem prostoru njegova uporaba v slovenski klinični praksi še ni bila raziskana. Namen raziskave je bil ovrednotiti, v kolikšni meri medicinske sestre na področju onkološke zdravstvene nege uporabljajo pristope McGillovega modela, ki vključujejo sodelovanje pacientov, vključevanje družinskih članov in krepitev psihosocialne podpore. Metode: V kvantitativni presečni raziskavi je bilo k sodelovanju povabljenih približno 400 medicinskih sester, zaposlenih na področju onkološke zdravstvene nege. Vprašalnik je pričelo izpolnjevati 166 oseb, od tega ga je popolnoma izpolnilo 126 (odzivnost 31,5 % glede na populacijo medicinskih sester zaposlenih na področju onkološke zdravstvene nege). Večina anketirancev je bila ženskega spola (77,8 %). Povprečna starost anketirancev je bila 37,71 leta (s = 8,07) s povprečno delovno dobo na področju onkološke zdravstvene nege 9,66 leta (s = 7,93). Analiza je temeljila le na popolnoma rešenih vprašalnikih. Podatke smo zbrali z novo razvito lestvico, ki temelji na McGillovem sodelovalnem modelu. Anketiranci so trditve ocenjevali na petstopenjski lestvici, ki meri pogostost izvajanja pristopov ali stopnjo strinjanja z izjavo. Izvedli smo eksploratorno in konfirmatorno faktorsko analizo, Wilcoxonove in Mann–Whitneyjeve teste ter Spearmanovo korelacijo. Rezultati: Faktorska analiza je potrdila tri konstrukte, ki pojasnjujejo 65,3 % skupne variance (KMO = 0,896; Bartlett p < 0,001). Empirične mediane vseh treh konstruktov so bile statistično značilno višje od teoretičnih (p < 0,001), kar pomeni, da so anketiranci poročali o uporabi pristopov McGillovega modela. Anketiranci z dostopom do pisnih protokolov ali organizacijsko podporo so dosegali višje rezultate (p < 0,001). Ugotovljene so bile zmerne do visoke pozitivne korelacije med uporabo pristopov in zaznavo izboljšanja oskrbe ter psihosocialnega stanja onkoloških pacientov (p < 0,001). Zaključek: Rezultati potrjujejo, da se v onkološki zdravstveni negi pogosto uporabljajo pristopi McGillovega modela, kar pozitivno sovpada z zaznanim izboljšanjem kakovosti oskrbe. Model ima potencial za širšo in bolj formalizirano implementacijo v klinično prakso.
Ključne besede: McGillov model zdravstvene nege, medicinske sestre, onkološka zdravstvena nega, psihosocialna podpora, sodelovanje pacienta
Objavljeno v RUP: 29.12.2025; Ogledov: 178; Prenosov: 6
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